Re-alias when running `now alias`

bin/now-alias.js

@@ -13,6 +13,7 @@ const login = require('../lib/login')
 const cfg = require('../lib/cfg')
 const {error} = require('../lib/error')
 const toHost = require('../lib/to-host')
+const {reAlias} = require('../lib/re-alias')
 
 const argv = minimist(process.argv.slice(2), {
   string: ['config', 'token'],
@@ -212,6 +213,11 @@ async function run(token) {
       break
     }
     default: {
+      if (argv._.length === 0) {
+        await reAlias(token, null, help, exit, apiUrl, debug, alias)
+        break
+      }
+
       if (argv._.length === 2) {
         await alias.set(String(argv._[0]), String(argv._[1]))
       } else if (argv._.length >= 3) {

bin/now-deploy.js

@@ -603,7 +603,7 @@ function printLogs(host, token) {
           await assignAlias(alias, token, host, apiUrl, debug)
         }
       } else {
-        await reAlias(token, host, help, exit)
+        await reAlias(token, host, help, exit, apiUrl, debug)
       }
     }
 

lib/re-alias.js

@@ -18,7 +18,7 @@ exports.assignAlias = async (autoAlias, token, deployment, apiUrl, debug) => {
   await aliases.set(String(deployment), String(autoAlias))
 }
 
-exports.reAlias = async (token, host, help, exit) => {
+exports.reAlias = async (token, host, help, exit, apiUrl, debug, alias) => {
   const path = process.cwd()
 
   const configFiles = {
@@ -31,11 +31,16 @@ exports.reAlias = async (token, host, help, exit) => {
     return
   }
 
-  const {nowConfig} = await readMetaData(path, {
+  const {nowConfig, name} = await readMetaData(path, {
     deploymentType: 'npm', // hard coding settings…
     quiet: true // `quiet`
   })
 
+  if (!host) {
+    const lastAlias = await alias.last(name)
+    host = lastAlias.url
+  }
+
   if (!nowConfig) {
     help()
     return exit(0)
@@ -48,13 +53,12 @@ exports.reAlias = async (token, host, help, exit) => {
 
     if (typeof value === 'string') {
       pointers.push(value)
-    }
-
-    if (Array.isArray(value)) {
+    } else if (Array.isArray(value)) {
       pointers = pointers.concat(nowConfig.alias)
+    } else {
+      error(`Property ${chalk.grey('aliases')} is not a valid array or string`)
+      return exit(1)
     }
-
-    error(`Property ${chalk.grey('aliases')} is not a valid array or string`)
   }
 
   if (nowConfig.aliases && Array.isArray(nowConfig.aliases)) {
@@ -71,6 +75,6 @@ exports.reAlias = async (token, host, help, exit) => {
   }
 
   for (const pointer of pointers) {
-    await exports.assignAlias(pointer, token, host)
+    await exports.assignAlias(pointer, token, host, apiUrl, debug)
   }
 }